Title:
DISPLAY DEVICE INCLUDING TRANSFORMER INCLUDING CORE HAVING STRUCTURE RELATED TO DEGREE OF COUPLING OF INDUCTOR
Document Type and Number:
WIPO Patent Application WO/2023/033321
Kind Code:
A1
Abstract:
A display device according to an embodiment may comprise a transformer comprising: a core including a first surface and a protruding portion protruding from the first surface along a direction in which the first surface faces, wherein a cross-section of a first portion of the protruding portion perpendicular to the direction in which the first surface faces has a first area, and a cross-section of a second portion of the protruding portion between the first portion and the first surface has a second area greater than the first area; a first inductor sub-assembly including a first bobbin which includes a first opening corresponding to the first area, so as to contact the outer circumference of the first portion of the core, and an inductor wound around the first bobbin; and a second inductor sub-assembly including a second bobbin which includes a second opening corresponding to the second area, so as to contact the outer circumference of the second portion of the core, and an inductor wound around the second bobbin.
Inventors:
KIM MOONYOUNG (KR)
KIM KEONWOO (KR)
KANG JEONGIL (KR)
KIM KEONWOO (KR)
KANG JEONGIL (KR)
Application Number:
PCT/KR2022/008117
Publication Date:
March 09, 2023
Filing Date:
June 09, 2022
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H04N5/63; G09G3/32; G09G5/10; H01F17/04; H01F27/26; H01F27/32; H02M1/42; H02M7/04
Foreign References:
| KR20130002884A | 2013-01-08 | |||
| KR20130008655A | 2013-01-22 | |||
| US20140125442A1 | 2014-05-08 | |||
| KR20140113249A | 2014-09-24 | |||
| KR20120070925A | 2012-07-02 |
Attorney, Agent or Firm:
KWANG AND JANG INTELLECTUAL PROPERTY LAW FIRM (KR)
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